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2080660 = 225104033
BaseRepresentation
bin111111011111110010100
310220201010111
413323332110
51013040120
6112332404
723454031
oct7737624
93821114
102080660
1111a125a
12844104
1357b07a
143c2388
152b175a
hex1fbf94

2080660 has 12 divisors (see below), whose sum is σ = 4369428. Its totient is φ = 832256.

The previous prime is 2080657. The next prime is 2080667. The reversal of 2080660 is 660802.

It can be written as a sum of positive squares in 2 ways, for example, as 799236 + 1281424 = 894^2 + 1132^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51997 + ... + 52036.

It is an arithmetic number, because the mean of its divisors is an integer number (364119).

22080660 is an apocalyptic number.

2080660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2080660 is an abundant number, since it is smaller than the sum of its proper divisors (2288768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2080660 is a wasteful number, since it uses less digits than its factorization.

2080660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104042 (or 104040 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2080660 is about 1442.4493058683. The cubic root of 2080660 is about 127.6635860008.

The spelling of 2080660 in words is "two million, eighty thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 104033 208066 416132 520165 1040330 2080660